1.Main Parts and Materials & Standards & Test

Parts Name	Material
Body、Bonnet	Grey Iron GG25
Disc	A 105 + 2Cr13、GG25 + 2Cr13
Seat Ring	Stainless steel

*Face to Face standard: DIN3202-F1, Flange End standard: DIN2532/2533
*Nominal Pressure: 1.6(MPa), Shell Test: 2.4(MPa), Seal Test: 1.8(MPa).

2. Drawing & Dimensions

DN	15	20	25	32	40	50	65	80	100	125	150	200
L	130	150	160	180	200	230	290	310	350	400	480	600
D	95	105	115	140	150	165	185	200	220	250	285	340
D1	65	75	85	100	110	125	145	160	180	210	240	295

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